<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    ul{
      width: 800px;
      height: 42px;
      border: 1px solid #000;
      margin: 50px auto;
    }
    li{
      list-style: none;
      float: left;
      height: 42px;
      padding: 0 16px;
      border-right: 1px solid #000;
      line-height: 42px;
      /* background:url(./images/un_icon_index_type20170111.png) no-repeat */
    }
    /* span{
      width: 16px;
      height: 16px;
      display: inline-block;
      background: red;
    } */
li::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url(./images/un_icon_index_type20170111.png) no-repeat;
  vertical-align: middle;
  margin-right: 10px;
}
.li1::before{
  background-position: -26px 0;
}
.li2::before{
  background-position: 0 0;
}
  </style>
</head>
<body>
  <ul>
    <li class="li1">
      海外酒店</li>
    <li class="li2">海外海外酒店</li>
    <li>海外外酒店</li>
    <li>海外酒店</li>
  </ul>
</body>
</html>